/ Thesaurus / B Synonyms of bar line Find synonyms for: Noun1. bar line, line, musical notationusage: a vertical line before the accented beat marking the boundary between musical barsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language